In article ,
"Neil Gould" wrote:

Anyone know why landings for night currency have to be to a full stop?

Possibly because currency for carrying pax also requires full-stop
landings. Getting night currency satisfies both requirements.

Day currency to carry passengers don't require full stop landings.

To the OP: IIRC, this was discussed several (many?) months ago without
resolution.

--
Bob Noel
(goodness, please trim replies!!!)